A258145 Row lengths of the irregular array in A256598.

1, 3, 2, 6, 7, 5, 3, 6, 4, 7, 2, 5, 8, 42, 6, 40, 9, 4, 7, 12, 41, 10, 5, 39, 8, 8, 3, 42, 11, 11, 6, 40, 9, 9, 4, 38, 43, 4, 7, 12, 7, 41, 2, 10, 10, 34, 5, 39, 44, 8, 8, 32, 13, 37, 42, 25, 3, 11, 6, 11, 35

Offset: 0

Author

Wolfdieter Lang, May 27 2015

Keywords

• nonn
• easy

Comments

a(n) is the number of odd numbers in row A070165(2*n+1) and also in row A070168(2*n+1), for n >= 0 (if it turns out that a row 2*n+1 has infinite row length one puts a(n) = 0).

Crossrefs

Cf. A256598, A070165, A070168.